Episode 1

E1

Chris Packham, Michaela Strachan and Gillian Burke have travelled to New Hampshire as billions of trees across New England turn into a riot of yellows, reds and golds.

Episode 2

E2

Chris and Michaela are live from the beautiful Squam Lake in New Hampshire. Gillian gets up close with one of New England's smallest owls, the saw-whet.

Episode 3

E3

Michaela has been on a moose mission, finding out about a tiny but deadly enemy of these massive beasts, and Gillian is looking for red efts in the leaf litter - a brightly coloured newt that comes out in damp conditions.

Episode 4

E4

The incredible migration of the monarch butterfly; a swirling tornado of tree swallows in Connecticut; in Boston, gangs of turkeys roam the streets driving some residents to distraction.